(19)

(11)

EP 4 201 014 A2

(12)

(88) Date of publication A3: 31.03.2022 (43) Date of publication: 28.06.2023 Bulletin 2023/26 (21) Application number: 21762524.3 (22) Date of filing: 18.08.2021

(51) International Patent Classification (IPC):  H04L 5/00(2006.01) H04L 1/20(2006.01) (52) Cooperative Patent Classification (CPC): H04L 5/0007; H04L 5/001; H04L 5/0044; H04L 5/006; H04L 5/0094 (86) International application number: PCT/IB2021/057609 (87) International publication number: WO 2022/038545 (24.02.2022 Gazette 2022/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 18.08.2020 US 202063067088 P (71) Applicant: Lenovo (Singapore) Pte. Ltd. New Tech Park 556741 (SG)	(72) Inventors: BHAMRI, Ankit 63322 Rödermark (DE) ALI, Ali Ramadan 81475 Munich (DE) GANESAN, Karthikeyan 64569 Nauheim (DE) NANGIA, Vijay Woodridge, Illinois 60517 (US) CHEEMA, Sher Ali 98693 Ilmenau (DE) (74) Representative: Openshaw & Co.  8 Castle Street Farnham, Surrey GU9 7HR Farnham, Surrey GU9 7HR (GB)